By Terray Sylvester

Updated31 May 2017 — 9:26pmfirst published at 9:52am

Portland, Oregon: The suspect in a fatal stabbing spree on a Portland, Oregon, commuter train yelled remarks about "free speech" as he entered the courtroom where he was being arraigned on Tuesday on charges of attacking bystanders who intervened when he shouted religious slurs at two women of Muslim appearance.

Suspect Jeremy Joseph Christian, a 35-year-old convicted felon, entered the courtroom yelling: "Free speech or die, Portland. You got no safe place. This is America - get out if you don't like free speech."

Christian was arraigned in Multnomah County Circuit Court on three felony murder charges, one felony assault charge, three felony weapons charges and two misdemeanour counts of intimidation.

He is charged with murder in the fatal stabbing of two men who intervened when he shouted religious slurs at two women on Friday. A third man who tried to step in was also stabbed but survived.

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Jeremy Joseph Christian shouts as he is arraigned in Multnomah County Circuit Court in Portland, Oregon. Credit:AP

About a dozen protesters in the hall outside the courtroom erupted into shouting while the charges were read.

As he was escorted out of the courtroom after the arraignment, Christian shouted: "Death to the enemies of America. Leave this country if you hate our freedoms. ... You call it terrorism. I call it patriotism."

The surviving victim of the attack, Micah Fletcher, sat in the front row of the gallery during the arraignment, with a long, sutured wound visible on his neck.

If found guilty of the murder charges, Christian could face either life imprisonment or the death penalty.

Votive candles bearing the photos of two men who were fatally stabbed in Portland, Oregon.Credit:AP

Friday's stabbing attack came as some religious rights groups warn of a rising tide of anti-Islamic sentiment in the United States, blaming US President Donald Trump for divisive anti-Muslim rhetoric.

One of the two women who was the target of the religious slurs on Friday, Destinee Mangum, who was with a friend wearing an Islamic headscarf, said in a video posted on CNN's website on Monday that she did not know the men who intervened and thanked them for putting their lives on the line.

Micah Fletcher, a victim of a stabbing attack on a light rail train that left two dead, watches as suspect Jeremy Christian is arraigned.Credit:AP

Trump condemned the stabbings on Monday, calling them "unacceptable".

"The victims were standing up to hate and intolerance. Our prayers are w/ them," he said on Twitter.

Trump's remarks came after the Council on American-Islamic Relations (CAIR) called on him to condemn the rampage and speak out against what the advocacy group sees as an increase in anti-Islamic sentiment. Anti-Muslim incidents increased more than 50 per cent in the United States last year, it said.

Asha Deliverance, the mother of Taliesin Myrddin Namkai-Meche, one of the two men who was killed on Friday, in an open letter to Trump that was posted on social media on Tuesday, urged the President to condemn "acts of violence, which result directly from hate speech".